Reduction in supply voltage by 10% will change the torque of the motor by ___.

1 Answers   UGVCL Uttar Gujarat Vij Company Ltd,

---

what is cogging and crawling

2 Answers  

---

what is the working principle of induction motor

2 Answers  

---

Why slip-ring and brushes are not required in squirrel cage induction motor?

4 Answers   L&T,

---

why neutral is required in electrical system

3 Answers   Bhel,

---

explain in detail HV & LV bushing connection in power transformer (110 / 11 kv 16 MVA)

6 Answers   TNEB Tamil Nadu Electricity Board, wbsedcl,

---

What is zero of the system?

0 Answers  

---

what will happen if we use cylindrical conductor instead of flat cu conductor in transformer

2 Answers   Crompton Greaves,

---

What is Residual Voltage & Residual Current?

4 Answers  

---

how one can know the charging time, discharging time of a 12 VDC battery ? If i have a battery of 12 VDC , 4.0 AH , how long will it take to charge from a charger (power supply) of input 220 V , Output 15 V and output current of 3000 mA and how long will it take to discharge whether using or not ? How much backup will it give ?

1 Answers   ONGC,

---

what kinds of Transformer oil grade is better for power transformer ?

0 Answers   KSRM Steel Plant,

---

what is power factor in ac ckt ?

5 Answers  

---